观察肺组织病理变化。
HE染色观察肺病理变化，对肺组织多形核粒细胞（PMN）进行半定量计数。
The character of lung pathology was observed by HE dying and Polymorphoneuclear (PMN) in lung was half-measured.
观察血浆丙二醛（MDA）、超氧化物歧化酶（SOD）及组织中丙二醛和髓过氧化酶（MPO）的含量变化，并观察小肠、肝、肺的病理变化。
The concentration of malondialdehyde(MDA), superoxide dismutase (SOD) and myeloperoxidase (MPO) in plasma and in liver, kidney and intestine were determined at different times in all groups.
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